CN113758951A - Experimental device and method for simulating damage effect of earthquake effect on reservoir bank slope rock mass - Google Patents
Experimental device and method for simulating damage effect of earthquake effect on reservoir bank slope rock mass Download PDFInfo
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Abstract
The invention provides an experimental device and a method for simulating the damage effect of earthquake action on reservoir bank side slope rock masses, wherein the upper part of a base station is provided with earthquake simulation equipment for simulating earthquake, the top of the base station is fixed with a top box body, the top box body is hexahedral, and the top is provided with composite weather simulation equipment; a test chamber is arranged in the top box body and positioned at the lower part of the composite meteorological simulation equipment; a water-gas circulation system for simulating meteorological conditions in the device is arranged right below the test chamber; a CT scanning system for rock detection and a control system of the whole device are arranged between the side wall of the test chamber and the outer wall of the top box body, and a circular top cover for water and electricity inside the test chamber is arranged at the top of the test chamber. The influence of a single extreme weather on the reservoir rock mass can be researched, and the influence of composite weather conditions such as snowfall and storm wind on the reservoir rock mass can also be simulated.
Description
Technical Field
The invention belongs to the field of civil engineering scientific research devices, particularly relates to an experimental device and method for simulating the damage effect of earthquake action on reservoir bank slope rock masses, and particularly relates to an experimental device and method for simulating the damage effect of earthquake action on reservoir bank slope rock masses under complex meteorological conditions, with a CT detection function.
Background
In the existing experimental devices, the experimental devices and equipment related to the damage effect of earthquake action on reservoir bank slope rock mass are few, and particularly, under the consideration of the effects of various complicated extreme climatic conditions, the experimental devices added with a damage detection system are few. The design of the device can be more directly simulated and detect the damage effect on the bank slope rock mass under the earthquake effect under various meteorological conditions, thereby further exploring the damage mechanism of the earthquake effect on the bank slope rock mass under the extreme climate condition, evaluating the stability of the bank slope in the earthquake zone and finding out the corresponding treatment measures.
Disclosure of Invention
The invention aims to solve the technical problem of providing an experimental device and a method for simulating the damage effect of earthquake effect on reservoir bank slope rock mass, wherein the device can better simulate the climate condition of a reservoir area, can research the influence of a single extreme weather on the reservoir bank rock mass, can also simulate the influence of compound weather conditions such as snowfall, storm wind and the like on the reservoir bank rock mass, can also add earthquake effect to further research the damage and the damage of the comprehensive effect on the reservoir bank rock mass, and can directly obtain the physical property and the mechanical characteristic of the rock mass through a CT flaw detection scanning technology.
In order to achieve the technical features, the invention is realized as follows: the experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass comprises a base station, wherein the upper part of the base station is provided with earthquake simulation equipment for simulating the earthquake, the top of the base station is fixed with a top box body, the top box body is hexahedral, and the top of the top box body is provided with composite meteorological simulation equipment; a test chamber is arranged in the top box body and positioned at the lower part of the composite meteorological simulation equipment; a water-gas circulation system for simulating meteorological conditions in the device is arranged right below the test chamber; a CT scanning system for rock detection and a control system of the whole device are arranged between the side wall of the test chamber and the outer wall of the top box body, and a circular top cover for water and electricity inside the test chamber is arranged at the top of the test chamber.
The earthquake simulation equipment comprises a vibration base and a driving device, wherein the vibration base and the driving device are arranged in a base platform, and a plurality of driving hydraulic arms are fixed at the top of the vibration base; the driving hydraulic arm is connected with the driving device and adjusts the direction, frequency and amplitude of the simulated vibration.
Three sides of the test chamber for CT scanning are made of transparent toughened glass; the test chamber is connected with air temperature simulation equipment, one side of a temperature control system for detecting and adjusting the internal temperature and a bottom plate are both watertight high-temperature resistant stainless steel plates, and the top of the test chamber is a steel plate fixedly connected with the composite meteorological simulation equipment.
The composite meteorological simulation equipment comprises rainfall simulation equipment, snowfall simulation equipment, sunshine simulation equipment, wind field simulation equipment, freezing rain simulation equipment and air temperature simulation equipment which are arranged on the top box body;
the rainfall simulation equipment, the snowfall simulation equipment, the sunshine simulation equipment and the freezing rain simulation equipment are respectively arranged above the test chamber;
the wind field simulation equipment and the air temperature simulation equipment are arranged on the side wall of the test cabin.
The rainfall simulation equipment comprises a plurality of water pipes fixed at the top of the test chamber, and raindrop spray heads are arranged on the water pipes at equal intervals and connected with the water pipes of the bottom water-gas circulation system;
the freezing rain simulation equipment comprises a condenser pipe arranged on the side wall of the top box body, the upper end of the condenser pipe is connected with a water pipe of the rainfall simulation equipment, and the lower end of the condenser pipe is connected with a water pipe of a water-air circulation system;
the snowing simulation equipment comprises artificial snow equipment arranged on a box body at the top, an air pump for pushing snow and a plurality of snow conveying pipes at the top of the test chamber;
the sunshine simulation equipment consists of a plurality of adjustable light sources, is fixed at the top of the test chamber and is used for simulating sunshine, day and night changes and position movement of the sun;
the wind field simulation equipment consists of adjustable blowers, one group of the adjustable blowers is arranged on the side wall of the test chamber, and the other group of the adjustable blowers is arranged at the top of the test chamber.
The temperature simulation equipment comprises an electric heating film and a cooling pipe, the electric heating film is arranged on the outer sides of toughened glass on two sides of a test chamber, which are intersected with a stainless steel side wall, the cooling pipe is arranged on the stainless steel side wall of the test chamber through a supporting rod, the installation height of the temperature simulation equipment is not lower than the highest end of the test table, the electric heating film conducts heat in the test chamber through infrared radiation, and the cooling pipe is used for achieving rapid cooling of an experimental environment in the test chamber through circulation of cold brine.
The temperature control system is arranged on a high-temperature-resistant steel plate at the bottom of the test cabin and is used for simulating the temperature of a deep rock mass and the high temperature which can be released in an earthquake.
A steel plate on the side wall of the test chamber is provided with a notch which is connected to a water-gas circulating system at the bottom so as to control the water level of the reservoir to rise and fall, and a layer of flexible filter screen is covered in the notch;
the CT scanner of the CT scanning system is arranged on the sliding rail, and when the CT scanning system is started, the CT scanner moves along the sliding rail to perform CT scanning on the rock mass;
the top of the water-air circulation system is connected with composite meteorological simulation equipment for providing water and air required by rainfall and snowfall, the bottom water-air separation system is connected with a side wall notch of the test chamber, and water and air respectively enter the water circulation box and the gas circulation box for controlling the excessive rise of the reservoir water level and controlling the air cleanness of the simulation reservoir area.
The control system comprises a power supply system, a water supply system and an air supply system, wherein the power supply system is externally connected with a power supply, and the water supply system is externally connected with a water source and controls the amount of water required by simulating rainfall each time;
the earthquake simulation equipment, the composite meteorological simulation equipment, the water-gas circulation system and the CT scanning system are all connected with a control system positioned in the side wall of the top box body, and the control system is connected with an external industrial control computer.
The experimental method for the damage effect of the bank slope rock mass by adopting the experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass comprises the following steps:
step 1: building a rock slope model in a test chamber according to the environment of a reservoir area to be simulated, injecting water according to the reservoir water level proportion, closing a top door of the test chamber, accessing a power supply, and starting a main switch of the device;
step 2: opening a CT scanner through an industrial control computer to scan the initial rock mass condition, and judging the initial state of the rock mass;
step 3: according to the required meteorological conditions, respectively or simultaneously turning on rainfall, snowfall, a wind field, sunlight and air temperature simulation equipment through an industrial control computer, setting the required rainfall, snowfall, wind level, sunlight duration and illumination intensity, and setting the action duration and cycle times;
step 4: opening a bottom water-gas circulating system and a temperature control system, starting a test chamber, and starting the operation of the reservoir area environment under the complex meteorological conditions;
step 5: after the acting time is reached, starting earthquake simulation equipment through an industrial control computer, and simulating by using earthquakes with different magnitude of earthquake magnitude;
step 6: after the earthquake simulation is finished, the CT scanner is opened again to scan the bank slope rock mass, and the damage condition of the rock mass after the earthquake action under the complex meteorological condition can be obtained.
The invention has the following beneficial effects:
1. aiming at different weather conditions to be simulated, different weather simulation equipment in the device can carry out various freely combined single or multiple weather conditions, and can adjust the rainfall size, temperature, sunshine intensity, duration and the like and set the cycle times.
2. The device can simulate different seismic levels of an earthquake through the earthquake simulator, and can control the frequency, strength, angle and the like of the earthquake through the hydraulic mechanical arm, so that the most real earthquake effect can be simulated.
3. The water circulation system in the device can accurately control the rainfall amount of the simulated rainfall, realize the cyclic utilization of rainfall running water and save water resources.
4. This device has set up rock CT scanning system, has realized the integration of test detection, need not sample detection to ensure that the subject only receives the variable effect that the experiment set up, and no longer receives the destruction that the sample was applyed.
5. The temperature control system at the bottom of the test cabin of the device simulates heat released by deep geothermal or earthquake action, and relatively real temperature condition of the ground bottom of a reservoir area is restored.
6. The device makes up the blank of the test equipment for simulating the influence of the earthquake on the bank slope rock mass under the complex meteorological condition under the indoor condition, and reduces the difficulty of the research on the bank slope rock mass.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a side view of the present invention.
FIG. 2 is a front view of the present invention.
FIG. 3 is a diagram of the structure of the composite meteorological apparatus of the present invention.
FIG. 4 is a schematic view of a bottom water-air circulation system according to the present invention.
In the figure: the system comprises a circular top cover 1, a composite meteorological simulation device 2, a water delivery pipe 3, a temperature control system 4, an earthquake simulation device 5, a base station 6, a water-gas circulation system 7, a control system 8, a water-gas separation system 9, a condenser pipe 10, a flexible filter screen 11, a CT scanning system 12 and a test chamber 13;
a driving hydraulic arm 501 and a vibration base 502;
a power supply system 801, a water supply system 802, and an air supply system 803;
a water circulation tank 901 and a gas circulation tank 902.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, the experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass comprises a base station 6, wherein the upper part of the base station 6 is provided with an earthquake simulation device 5 for simulating the earthquake, the top of the base station 6 is fixed with a top box body, the top box body is hexahedron-shaped, and the top is provided with a composite meteorological simulation device 2; a test chamber 13 is arranged in the top box body and positioned at the lower part of the composite meteorological simulation equipment 2; a water-air circulating system 7 for simulating weather in the device is arranged right below the test chamber 13; a CT scanning system 12 for rock detection and a control system 8 of the whole device are arranged between the side wall of the test chamber 13 and the outer wall of the top box body, and a circular top cover 1 for running water and electricity inside is arranged at the top of the test chamber 13. Through adopting the experimental apparatus of above-mentioned structure, can realize simulating the damage of earthquake effect to bank slope rock mass under single or complicated meteorological condition and detect out the damage effect.
Further, the earthquake simulation equipment comprises a vibration base 502 and a driving device which are arranged inside the base 6, wherein a plurality of driving hydraulic arms 501 are fixed at the top of the vibration base 502; the driving hydraulic arm 501 is connected to a driving device and adjusts the direction, frequency and amplitude of the analog vibration. By adopting the earthquake simulation equipment, the influence of the earthquake action generated by the earthquake sources at different earthquake magnitudes and different places on the rock mass can be simulated.
The top box body can simulate the damage of the earthquake action to the rock mass and detect the rock mass.
Further, three sides of the test chamber 13 for CT scanning are made of transparent tempered glass; the test chamber 13 is connected with an air temperature simulation device, one side of the temperature control system 4 for detecting and adjusting the internal temperature and a bottom plate are all waterproof high-temperature resistant stainless steel plates, and the top of the test chamber is a steel plate fixedly connected with the composite meteorological simulation device 2. The test chamber 13 made of the materials can meet the requirements of real-time experiment observation and detection and the requirements of installation and test of experimental equipment.
Further, the composite weather simulation device 2 comprises a rainfall simulation device 201, a snowfall simulation device, a sunshine simulation device 202, a wind field simulation device 203, a freezing rain simulation device and a temperature simulation device which are arranged on the top box body; the rainfall simulation equipment 201, the snowfall simulation equipment, the sunshine simulation equipment 202 and the freezing rain simulation equipment are respectively arranged above the test chamber 13; the wind field simulation equipment 203 and the air temperature simulation equipment are arranged on the side wall of the test chamber 13. The system can meet the simulation experiment of a single meteorological model and realize the experiment of a composite meteorological model, thereby realizing the function of one machine with multiple purposes.
Further, the rainfall simulation device 201 comprises a plurality of water pipes fixed on the top of the test chamber 13, and raindrop nozzles are equidistantly arranged on the water pipes and connected with the water pipes of the bottom water-air circulation system 7; further, the freezing rain simulation equipment comprises a condensation pipe 10 arranged on the side wall of the top box body, the upper end of the condensation pipe 10 is connected with a water pipe of the rainfall simulation equipment 201, and the lower end of the condensation pipe is connected with a water pipe of the water-air circulation system 7. The effect of simplifying the structure of the device can be achieved by this design.
Further, the snowfall simulation equipment comprises artificial snow equipment arranged on a box body at the top, an air pump for pushing snow and a plurality of snow conveying pipes arranged at the top of the test chamber 13; the snowing process can be simulated by the snowing simulation equipment.
Further, the sunshine simulating equipment 202 consists of a plurality of adjustable light sources, is fixed at the top of the test chamber 13 and is used for simulating sunshine, day and night changes and position movement of the sun; by sunshine simulating equipment 202
Further, the wind field simulation equipment 203 consists of adjustable blowers, one group of the adjustable blowers is arranged on the side wall of the test chamber 13, and the other group of the adjustable blowers is arranged on the top of the test chamber 13.
Further, the temperature simulation equipment comprises an electric heating film and a cooling pipe, the electric heating film is arranged on the outer sides of toughened glass on two sides of a test chamber 13, which are intersected with a stainless steel side wall, the cooling pipe is arranged on the stainless steel side wall of the test chamber through a supporting rod, the installation height of the temperature simulation equipment is not lower than the highest end of the experiment table, the electric heating film conducts heat to the inside of the test chamber 13 through infrared radiation, and the cooling pipe is used for achieving rapid cooling of an experiment environment in the test chamber through cold brine circulation.
Further, the temperature control system 4 is installed on a high-temperature-resistant steel plate at the bottom of the test chamber 13 and used for simulating the temperature of a deep rock mass and the high temperature which can be released in an earthquake.
Furthermore, a steel plate on the side wall of the test chamber 13 is provided with a notch which is connected to the water-air circulating system 7 at the bottom so as to control the water level of the reservoir to rise and fall, and a layer of flexible filter screen 11 is covered inside the notch; the structure that the filter screen is arranged on the notch can ensure that the reservoir water level is normal and can also ensure that impurities cannot enter the water-gas circulating system.
Further, a CT scanner of the CT scanning system 12 is mounted on the slide rail, and when the CT scanning system is started, the CT scanner moves along the slide rail to perform CT scanning on the rock mass; when the device is started, the scanner moves along the sliding rail to scan the rock mass, and the first time detection of the damage condition of the rock mass can be realized through the device.
Further, the top of the water-air circulation system 7 is connected to the combined weather simulation device 2 for providing water and air for rainfall and snowfall, the bottom water-air separation system 9 is connected to the side wall notch of the test chamber, and water and air enter the water circulation box 901 and the air circulation box 902 respectively for controlling the excessive rise of the reservoir water level and the air cleanness of the simulation reservoir area. The design can control the excessive lifting of the reservoir water level and the air cleanness of the simulation reservoir area.
Further, the control system 8 includes a power supply system 801, a water supply system 802 and an air supply system 803, the power supply system is externally connected with a power supply, the water supply system is externally connected with a water source and controls the amount of water required for simulating rainfall each time;
furthermore, the earthquake simulation equipment 5, the composite meteorological simulation equipment 2, the water-gas circulation system 7 and the CT scanning system 12 are all connected with a control system 8 positioned in the side wall of the top box body, and the control system 8 is connected with an external industrial control computer.
Example 2:
the experimental method for the damage effect of the bank slope rock mass by adopting the experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass comprises the following steps:
step 1: establishing a rock slope model in the test chamber 13 according to the required simulated reservoir area environment, injecting water according to the reservoir water level proportion, closing a top door of the test chamber, accessing a power supply, and starting a main switch of the device;
step 2: opening a CT scanner through an industrial control computer to scan the initial rock mass condition, and judging the initial state of the rock mass;
step 3: according to the required meteorological conditions, respectively or simultaneously turning on rainfall, snowfall, a wind field, sunlight and air temperature simulation equipment through an industrial control computer, setting the required rainfall, snowfall, wind level, sunlight duration and illumination intensity, and setting the action duration and cycle times;
step 4: opening a bottom water-gas circulating system 7 and a temperature control system, starting a test chamber, and starting the operation of the reservoir area environment under the complex meteorological conditions;
step 5: after the acting time is reached, starting the earthquake simulation equipment 5 through the industrial control computer, and simulating by using earthquakes with different magnitude of earthquake magnitude;
step 6: after the earthquake simulation is finished, the CT scanner is opened again to scan the bank slope rock mass, and the damage condition of the rock mass after the earthquake action under the complex meteorological condition can be obtained.
The principle of the invention is as follows:
through accurate control each item environmental variable to can find out under each item various grade meteorological condition, for example, the light rain, well rain, rainstorm, sleet, perhaps rain presss from both sides snow, various meteorological conditions such as rainstorm, snowstorm, the earthquake effect is to the influence of storehouse district side slope stability, just can directly scan the detection in addition not taking a sample, thereby has reduced the damage that the secondary destruction brought the rock mass, thereby more pertinent find out the prevention and cure measure of administering the geological disasters who brings from this.
Claims (10)
1. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass is characterized by comprising a base station (6), wherein earthquake simulation equipment (5) for simulating the earthquake is arranged at the upper part of the base station (6), a top box body is fixed at the top of the base station (6), the top box body is hexahedral, and composite meteorological simulation equipment (2) is arranged at the top of the top box body; a test chamber (13) is arranged in the top box body and positioned at the lower part of the composite meteorological simulation equipment (2); a water-air circulation system (7) for simulating weather in the device is arranged right below the test chamber (13); a CT scanning system (12) for rock detection and a control system (8) of the whole device are arranged between the side wall of the test chamber (13) and the outer wall of the top box body, and a circular top cover (1) for water and electricity inside the test chamber (13) is arranged at the top of the test chamber.
2. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 1, is characterized in that: the earthquake simulation equipment comprises a vibration base (502) and a driving device, wherein the vibration base (502) and the driving device are arranged inside a base (6), and a plurality of driving hydraulic arms (501) are fixed at the top of the vibration base (502); the driving hydraulic arm (501) is connected with a driving device and adjusts the direction, frequency and amplitude of the analog vibration.
3. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 1, is characterized in that: three sides of the test chamber (13) for CT scanning are made of transparent toughened glass; the test chamber (13) is connected with air temperature simulation equipment, one side of a temperature control system (4) for detecting and adjusting the internal temperature and a bottom plate are both watertight high-temperature resistant stainless steel plates, and the top of the test chamber is a steel plate fixedly connected with the composite meteorological simulation equipment (2).
4. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 1, is characterized in that: the composite meteorological simulation equipment (2) comprises rainfall simulation equipment (201), snowfall simulation equipment, sunshine simulation equipment (202), wind field simulation equipment (203), freezing rain simulation equipment and air temperature simulation equipment which are arranged on a top box body;
the rainfall simulation equipment (201), the snowfall simulation equipment, the sunshine simulation equipment (202) and the freezing rain simulation equipment are respectively arranged above the test chamber (13);
the wind field simulation equipment (203) and the air temperature simulation equipment are arranged on the side wall of the test chamber (13).
5. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 4, is characterized in that: the rainfall simulation equipment (201) comprises a plurality of water pipes fixed at the top of the test chamber (13), and raindrop spray heads are arranged on the water pipes at equal intervals and connected with the water pipes of the bottom water-air circulation system (7);
the freezing rain simulation equipment comprises a condensation pipe (10) arranged on the side wall of the top box body, the upper end of the condensation pipe (10) is connected with a water pipe of the rainfall simulation equipment (201), and the lower end of the condensation pipe is connected with a water pipe of a water-air circulation system (7);
the snowing simulation equipment comprises artificial snow equipment arranged on a box body at the top, an air pump for pushing snow and a plurality of snow conveying pipes arranged at the top of the test chamber (13);
the sunshine simulating equipment (202) consists of a plurality of adjustable light sources, is fixed at the top of the test chamber (13) and is used for simulating sunshine, day and night change and position movement of the sun;
the wind field simulation equipment (203) is composed of adjustable blowers, one group of adjustable blowers is arranged on the side wall of the test chamber (13), and the other group of adjustable blowers is arranged at the top of the test chamber (13).
6. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 4, is characterized in that: the temperature simulation equipment comprises an electrothermal film and a cooling pipe, the electrothermal film is arranged on the outer sides of toughened glass on two sides of a test chamber (13) intersected with a stainless steel side wall, the cooling pipe is arranged on the stainless steel side wall of the test chamber through a supporting rod, the installation height of the temperature simulation equipment is not lower than the highest end of the experiment table, the electrothermal film conducts heat to the interior of the test chamber (13) through infrared radiation, and the cooling pipe is used for achieving rapid cooling of an experiment environment in the test chamber through cold brine circulation.
7. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 4, is characterized in that: the temperature control system (4) is arranged on a high-temperature-resistant steel plate at the bottom of the test cabin (13) and used for simulating the temperature of a deep rock mass and the high temperature which can be released in an earthquake.
8. The experimental device for simulating the damage effect of the earthquake effect on the bank slope rock mass according to claim 1, is characterized in that: a steel plate on the side wall of the test chamber (13) is provided with a notch which is connected to a water-gas circulating system (7) at the bottom so as to control the water level of the reservoir to rise and fall, and a layer of flexible filter screen (11) is covered inside the notch;
a CT scanner of the CT scanning system (12) is arranged on the sliding rail, and when the CT scanning system is started, the CT scanner moves along the sliding rail to perform CT scanning on the rock mass;
the top of the water-air circulation system (7) is connected with the composite meteorological simulation equipment (2) for providing water and air required by rainfall and snowfall, the bottom water-air separation system (9) is connected with a side wall notch of the test chamber, and water and air enter the water circulation box (901) and the air circulation box (902) respectively for controlling the excessive rise of the reservoir water level and controlling the air cleanness of the simulation reservoir area.
9. The experimental device and the method for simulating the damage effect of the earthquake effect on the bank slope rock mass according to the claim 1 are characterized in that: the control system (8) comprises a power supply system (801), a water supply system (802) and an air supply system (803), wherein the power supply system is externally connected with a power supply, the water supply system is externally connected with a water source and controls the water quantity required by simulating rainfall each time;
the earthquake simulation equipment (5), the composite meteorological simulation equipment (2), the water-gas circulation system (7) and the CT scanning system (12) are all connected with a control system (8) located in the side wall of the top box body, and the control system (8) is connected with an external industrial control computer.
10. An experimental method for the damage effect of bank slope rock mass by adopting the experimental device for simulating the damage effect of earthquake effect on bank slope rock mass according to any one of claims 1 to 9, which is characterized by comprising the following steps:
step 1: establishing a rock slope model in a test chamber (13) according to the environment of a reservoir area to be simulated, injecting water according to the reservoir water level proportion, closing a top door of the test chamber, accessing a power supply, and starting a main switch of the device;
step 2: opening a CT scanner through an industrial control computer to scan the initial rock mass condition, and judging the initial state of the rock mass;
step 3: according to the required meteorological conditions, respectively or simultaneously turning on rainfall, snowfall, a wind field, sunlight and air temperature simulation equipment through an industrial control computer, setting the required rainfall, snowfall, wind level, sunlight duration and illumination intensity, and setting the action duration and cycle times;
step 4: opening a bottom water-gas circulating system (7) and a temperature control system, starting a test chamber, and starting the operation of the reservoir area environment under the complex meteorological conditions;
step 5: after the acting duration is reached, starting the earthquake simulation equipment (5) through the industrial control computer, and simulating by using earthquakes with different magnitude of earthquake magnitude;
step 6: after the earthquake simulation is finished, the CT scanner is opened again to scan the bank slope rock mass, and the damage condition of the rock mass after the earthquake action under the complex meteorological condition can be obtained.
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